The second-generation Mazda CX-9 (TC), is available from 2016 to now. Here you will find fuse box diagrams of Mazda CX-9 2016, 2017, 2018, 2019, 2020, 2021, 2022, and 2023, get information about the location of the fuse panels inside the car, and learn about the function of each fuse.
Table of Contents
Cigar lighter (power outlet) fuses: #3 “R.OUTLET3”, #14 “F.OUTLET”, #15 (since 2018) “R.OUTLET1” in the passenger compartment fuse box, and fuse #52 “R.OUTLET2” in the engine compartment fuse box.
[2016/2017]
Engine compartment
| FUSE NUMBER | DESCRIPTION | FUSE AMP RATING | PROTECTED COMPONENT |
|---|---|---|---|
| 1 | WIPER.DEI | 20 A | — |
| 2 | IG2 | 30 A | For protection of various circuits |
| 3 | INJECTOR | 30 A | Engine control system |
| 4 | — | — | — |
| 5 | P. WINDOW 1 | 30 A | Power windows (Some models) |
| 6 | — | — | — |
| 7 | — | — | — |
| 8 | EVVT | 20 A | Engine control system |
| 9 | DEFOG | 40 A | Rear window defogger |
| 10 | — | — | — |
| 11 | R.HEATER | 40 A | Air conditioner |
| 12 | EPB L | 20 A | Electric parking brake (LH) |
| 13 | AUDIO | 40 A | Audio system |
| 14 | EPB R | 20 A | Electric parking brake (RH) |
| 15 | ENG.MAIN | 40 A | Engine control system |
| 16 | ABS/DSC M | 50 A | ABS, Dynamic stability control system |
| 17 | CABIN.+B | 50 A | For protection of various circuits |
| 18 | WIPER | 20 A | Front window wiper and washer |
| 19 | HEATER | 40 A | Air conditioner |
| 20 | — | — | — |
| 21 | ENGINE.IG1 | 7.5 A | Engine control system |
| 22 | C/U IG1 | 15 A | For protection of various circuits |
| 23 | H/L LOW L | 15 A | Headlight low beam (LH) |
| 24 | H/L LOW R1 | 15 A | — |
| 25 | ENGINE3 | 15 A | Engine control system |
| 26 | ENG1NE2 | 15 A | Engine control system |
| 27 | ENGINE1 | 15 A | Engine control system |
| 28 | AT | 15 A | Transaxle control system |
| 29 | H/CLEAN | 20 A | — |
| 30 | A/C | 7.5 A | Air conditioner |
| 31 | AT PUMP | 15 A | — |
| 32 | STOP | 10 A | Brake lights |
| 33 | R.WIPER | 15 A | Rear window wiper |
| 34 | H/L HI | 20 A | Headlight high beam |
| 35 | H/L LOW R2 | 15 A | Headlight low beam (RH) |
| 36 | FOG | 15 A | Fog lights (Some models) |
| 37 | ENG.+B | 7.5 A | Engine control system |
| 38 | AUDIO2 | 7.5 A | Audio system |
| 39 | INTERIOR | 10 A | Overhead light |
| 40 | METER2 | 15 A | — |
| 41 | METER1 | 10 A | Instrument cluster |
| 42 | SRS1 | 7.5 A | Air bag |
| 43 | AUDIO4 | 10 A | Audio system (Some models) |
| 44 | AUDIO1 | 25 A | Audio system |
| 45 | ABS/DSC S | 30 A | ABS, Dynamic stability control system |
| 46 | — | — | — |
| 47 | ST.HEATER | 15 A | Heated steering wheel (Some models) |
| 48 | TAIL | 15 A | Parking lights |
| 49 | FUEL PUMP2 | 25 A | Fuel system |
| 50 | HAZARD | 25 A | Hazard warning flashers, Turn signal lights, Taillights |
| 51 | DRL | 15 A | Daytime running lights |
| 52 | R.OUTLET2 | 15 A | Accessory sockets |
| 53 | HORN | 15 A | Horn |
| 54 | ROOM | 25 A | For protection of various circuits |
Passenger compartment
| FUSE NUMBER | DESCRIPTION | FUSE AMP RATING | PROTECTED COMPONENT |
|---|---|---|---|
| 1 | P.SEAT D | 30 A | Power seat (Some models) |
| 2 | P.WINDOW3 | 30 A | Power windows (Some models) |
| 3 | R.OUTLET3 | 15 A | Accessory sockets |
| 4 | P.WINDOW2 | 25 A | Power windows |
| 5 | PLG | 20 A | Power liftgate |
| 6 | D.LOCK | 25 A | Power door locks |
| 7 | SEAT WARM | 20 A | Seat warmer |
| 8 | SRS2/ESCL | 15 A | — |
| 9 | SUNROOF | 10 A | Moonroof |
| 10 | INTERIOR2 | 15 A | Audio system |
| 11 | ENG+BB | 7.5 A | Engine control system |
| 12 | MIRROR | 7.5 A | Power control mirror |
| 13 | AT IND | 7.5 A | AT shift indicator |
| 14 | F.OUTLET | 15 A | Accessory sockets |
| 15 | R.OUTLET1 | 15 A | — |
| 16 | — | — | — |
| 17 | M.DEF | 7.5 A | Mirror defogger |
| 18 | — | — | — |
| 19 | AUDIO3 | 15 A | Audio system |
| 20 | — | — | — |
| 21 | P.SEAT P | 30 A | Power seat (Some models) |
[2018/2019/2020/2021/2022/2023]
Engine compartment
| FUSE NUMBER | DESCRIPTION | FUSE AMP RATING | PROTECTED COMPONENT |
|---|---|---|---|
| 1 | WIPER. DEI | 20 A | Windshield wiper de-icer (Some models) |
| 2 | IG2 | 30 A | For protection of various circuits |
| 3 | INJECTOR | 30 A | Engine control system |
| 4 | — | — | — |
| 5 | P. WINDOW 1 | 30 A | — |
| 6 | P.SEAT RL | 30 A | 2018-2019: Not Used; 2020-2023: Power seat |
| 7 | — | — | — |
| 8 | EVVT | 20 A | Engine control system |
| 9 | DEFOG | 40 A | Rear window defogger |
| 10 | ST.HEATER2 | 20 A | 2018-2019: Not Used; 2020-2023: Heated steering wheel |
| 11 | R.HEATER | 40 A | Air conditioner |
| 12 | EPB L | 20 A | Electric parking brake (EPB) (LH) |
| 13 | AUDIO | 40 A | Audio system |
| 14 | EPB R | 20 A | Electric parking brake (EPB) (RH) |
| 15 | ENG.MAIN | 40 A | Engine control system |
| 16 | ABS/DSC M | 50 A | ABS, Dynamic stability control system |
| 17 | CABIN.+B | 50 A | For protection of various circuits |
| 18 | WIPER | 20 A | Front window wiper and washer |
| 19 | HEATER | 40 A | Air conditioner |
| 20 | — | — | — |
| 21 | ENGINE.IG1 | 7.5 A | Engine control system |
| 22 | C/U IG1 | 15 A | For protection of various circuits |
| 23 | H/L LOW L | 15 A | Headlight low beam (LH) |
| 24 | H/L LOW R1 | 15 A | — |
| 25 | ENGINE3 | 15 A | Engine control system |
| 26 | ENGINE2 | 15 A | Engine control system |
| 27 | ENGINE1 | 15 A | Engine control system |
| 28 | AT | 15 A | 2018: Transaxle control system; 2019-2023: Transaxle control system, Ignition switch |
| 29 | H/CLEAN | 20 A | — |
| 30 | A/C | 7.5 A | Air conditioner |
| 31 | AT PUMP | 15 A | — |
| 32 | STOP | 10 A | Brake lights |
| 33 | R.WIPER | 15 A | 2018: Rear window wiper; 2019-2023: Rear window wiper, Theft-deterrent system (Some models) |
| 34 | H/L HI | 20 A | Headlight high beam |
| 35 | H/L LOW R2 | 15 A | Headlight low beam (RH) |
| 36 | FOG | 15 A | Fog lights (Some models) |
| 37 | ENG.+B | 7.5 A | Engine control system |
| 38 | AUDIO2 | 7.5 A | Audio system (Some models) |
| 39 | INTERIOR | 10 A | 2018: Overhead light; 2019-2021: For protection of various circuits |
| 40 | METER2 | 15 A | — |
| 41 | METER1 | 10 A | Instrument cluster |
| 42 | SRS1 | 7.5 A | Air bag |
| 43 | AUDIO4 | 10 A | Audio system (Some models) |
| 44 | AUDIO1 | 25 A | Audio system (Some models) |
| 45 | ABS/DSC S | 30 A | ABS, Dynamic stability control system |
| 46 | VMC | 15 A | 2021-2023: Gateway system |
| 47 | ST.HEATER | 15 A | 2018-2019: Heated steering wheel (Some models); 2020: Not Used; 2021-2023: Audio system |
| 48 | TAIL | 15 A | Parking lights |
| 49 | FUEL PUMP2 | 25 A | Fuel system |
| 50 | HAZARD | 25 A | Hazard warning flashers, Turn signal lights, Taillights |
| 51 | DRL | 15 A | Daytime running lights |
| 52 | R.OUTLET2 | 15 A | Accessory sockets |
| 53 | HORN | 15 A | Horn |
| 54 | ROOM | 25 A | For protection of various circuits |
Passenger compartment
| FUSE NUMBER | DESCRIPTION | FUSE AMP RATING | PROTECTED COMPONENT |
|---|---|---|---|
| 1 | P.SEAT D | 30 A | Power seat (Some models) |
| 2 | P.WINDOW3 | 30 A | Power windows |
| 3 | R.OUTLET3 | 15 A | Accessory sockets |
| 4 | P.WINDOW2 | 25 A | Power windows |
| 5 | PLG | 20 A | Power liftgate (Some models) |
| 6 | D.LOCK | 25 A | Power door locks |
| 7 | SEAT WARM | 20 A | Seat wanner (Some models) |
| 8 | SRS2/ESCL | 15 A | Trailer hitch (Some models) |
| 9 | SUNROOF | 10 A | Moonroof (Some models) |
| 10 | INTERIOR2 | 15 A | Audio system |
| 11 | ENG+BB | 7.5 A | Engine control system |
| 12 | MIRROR | 7.5 A | Power control mirror |
| 13 | AT IND | 7.5 A | AT shift indicator |
| 14 | F.OUTLET | 15 A | Accessory sockets |
| 15 | R.OUTLET1 | 15 A | Accessory sockets (Some models) |
| 16 | USB | 15 A | 2018-2019: Not Used; 2020-2023: USB power outlet |
| 17 | M.DEF | 7.5 A | Mirror defogger (Some models) |
| 18 | R.SEAT.WARM | 20 A | Seat wanner (Some models) |
| 19 | AUDIO3 | 15 A | Audio system |
| 20 | P.SEAT RR | 30 A | 2018-2019: Not Used; 2020-2023: Power seat |
| 21 | P.SEAT P | 30 A | Power seat (Some models) |
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